However, the new iTunes 9 change the background of grid view to white and it is dazzling me. Fortunately, in the newest update of iTunes (iTunes 9.0.2) gives us option to change the background to dark again. I’ll tell you how.

Those who like to be a DJ (disk jockey) must understand what song’s BPM (tempo) is. As far as I know, a good DJ MUST know all his/her song’s BPM so when (s)he played the song, the tempo isn’t significantly different, from fast beat to mellow song. But, if (s)he has thousands songs, it is impossible to remember them all.

Not only DJ’s should know song’s BPM, those who love music should know what are their song’s BPM to play the right tempo on the right situation. So, there are some apps that can help you to attach BPM to your songs, (it is not an advertising)